Free Illinois CDL General Knowledge Practice Test 2022

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our IL General Knowledge Practice Test has the same questions as the real exam which is based on the Illinois CDL manual. Our CDL practice test covers most of the subject areas on the Illinois General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our Illinois CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2022 IL commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
IL CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
1.
When using the brakes on a steep downgrade, which of the following applies?
2.
How do you stop a front-wheel skid?
3.
In case of low friction between the cargo and deck, which of these is not a solution?
4.
Which of these pieces of emergency equipment should always be carried in your vehicle?
5.
Which statement is true?
6.
The BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is:
7.
Backing of the commercial vehicle is:
8.
When the hydraulic brakes fail while you are driving, the system will not build up pressure and the brake pedal will feel spongy or go to the floor. What should you do?
9.
Why Do HOS Regulations Exist?
10.
A hook-lift container is:
11.
Major signs of tire failure could include:
12.
Using radar detectors in commercial vehicles:
13.
You're in Illinois which allows up to 20,000 pounds on the steer axle. You're heading to Indiana which only allows 12,000 on the steer axle. Your steer tires have a load rating of 6,500 pounds each. What is the maximum legal weight your steer axle can be for each of the two states?
14.
What is the Federal Standard for maximum weight on a tandem axle vehicle?
15.
When you sight-side back your vehicle into an alley stopping as close as possible to the rear of the alley it is called:
16.
The responsibility for repairing items noted on the pre-trip report that affect safety belongs to:
17.
What is the minimum amount of rearward force that a cargo securement system must withstand?
18.
When you are driving on a snow packed road, you should reduce your speed by:
19.
A container chassis vehicle is defined as:
20.
If you load cargo into the overhang portion of the trailer, what will be the result?
21.
Adding or burning off fuel will mainly change the amount of weight on which axles?
22.
Drivers must inspect the securement of cargo every 150 miles or:
23.
Rims with welding repairs or missing lugs:
24.
Which of these statements about double clutching and shifting is true?
25.
There are two types of jackknife, they are:
26.
As part of the log packing requirements:
27.
All vehicles or drivers must carry:
28.
A chock is defined as:
29.
If you cannot see the driver of a vehicle, then:
30.
Backing into a space that is to the right rear of your vehicle is referred to as:
31.
Is the below example a completed 34 hour restart?
Day 1

Day 2
32.
Most skids:
33.
You weigh the truck immediately before and after fueling. Based on the following, determine what percentage of the weight goes to each set of axles:

Before fueling:

steer: 11,100, drives: 32,600, gross: 71,400

After fueling:

steer:11,850, drives: 32,850, gross: 72,400

34.
What violation has occurred at 10:00 a.m. on Day 2?
Day 1

Day 2
35.
Brake fade:
36.
When calculating directional forces, 'g' is expressed as:
37.
Which of the following is not a reason why loads should be secured?
38.
Gross Vehicle Weight Rating (GVWR) means the following?
39.
Based on the following figures, how much fuel can you legally add while remaining legal on the steer axle?

Load rating of steer tires: 6,150 pounds

Percentage of fuel weight to steer axle: 85%

Steer axle weight limit in states you're travelling: 20,000 pounds

Weight Before Fueling: Steer: 11,500, drives: 33,100, gross: 76,700

40.
When you see a pedestrian or bicyclist along the road you should:
41.
High beams should only be used at a distance of:
42.
What is the primary goal of implementing the Bridge Formula?
43.
If you must drive in fog, some considerations include which of the following:
44.
Minimum tread depth on every groove on all tires must be at least:
45.
What happens to tar on the road pavement during hot weather?
46.
Coming down steep, long, downgrades will require a driver to:
47.
Which of these statements about the hazard of vehicle fire is true?
48.
What is the minimum WLL of a tiedown used to secure logs?
49.
If traveling slower than traffic flow on a grade, if legal you should:
50.
According to the general rule, for how much space should you leave in front of your vehicle at speeds below 40 mph?